how to select a cap,when a fan is required 2.5 micro ferad cap,then how we know about 1 hp motor?

1 Answers  

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A group of machines (wind turbines) connected with 33KV feeder and each machines are having individual VCB. The 33KV feeder connected with 110KV/33KV substation. The 33KV feeder tripped by over current at Substation and fault recorded at Substation as OC-R&Y phase. Same time the group of machines VCB tripped by over voltage, the fault recorded voltage was above 66KV by numerical Under/Over voltage relay. While grid drop time, this much of voltage hike is possible?

1 Answers  

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What is the differance between vacuum breaker and vacuume contactor

1 Answers  

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Difference between UPS and Inverter?

7 Answers   HCL,

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what the main difference of the 3 phase and 2 phase power supply??

3 Answers  

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How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?

0 Answers  

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when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

0 Answers  

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why 5kW motor becomes unbalance if its relay trip 1st time and its set value is 7.0 A

0 Answers  

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in delta connection, why motor rotate in high speed compared to star connection?

2 Answers  

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How can calculate HT side VCB? For example I have 1250 KVA load what will be HT side VCB Amp.range and what size XLPE cable I use for HT side.

2 Answers   NASSA, Orchid, SB Automation,

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What will be done if we open the secondary of CT on load??

4 Answers   Engro,

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which gas is filled in CFL

7 Answers   Lumax,

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